Page 48 - RACI

AIR VALVES 5 AIR VALVES

AUTOMATIC TYPE FROM
DUCTILE IRON

MOD. 5141 PN 16 DN 1“- 40/50/65

MOD. 5142 PN 25 DN 1“- 40/50/65

Flanged connection + shut-off ball valve, stainless steel fasteners.

SPECIAL FEATURESH

• Single orifice type, fully automatic single function
for releasing air under pressure.

• Performance according to the requirements of EN 1074.

• Body and cover high quality polyamide (Rilsan – PA11)
powder coated (fusion bonded), coating thickness
DFT min. 250 micron, zero porosity (tested with
3000V), high impact resistance and cross-linkage
according to DIN 30677-2 and DIN 3476.

• Float from non-corrosive material, fully rubber lined.

• Special basket to keep float in optimal position during
operation.

• Flanged connection with multi-size drilling.

• Minimum operating pressure for watertight: 0,5 bar.

>> PERFORMANCES:
FUNCTIONAL DIAGRAMs AT PAGE 5.11

D Materials

Body and cover:
Ductile iron EN-GJS-400-15 / EN 1563
(former to DIN GGG40)

Float:
Polyamide, fully EPDM rubber lined - PN 10/16
Stainless steel 1.4301/ EN ISO10088
(equivalent to AISI304), fully rubber lined - PN 25

Basket:
ABS

Orifice:
Brass CuZn40Pb2

O-Rings:
EPDM rubber, potable water approved

Bolts/nuts/washers:
Stainless steel A2-70 / EN ISO 3506

Nipple:
Galvanised malleable iron, or stainless steel on request

Flange:
Ductile iron EN-GJS-400-15 / EN 1563
(former to DIN GGG40)

DN

DN PFA D H Weight (kg)
1"- 40/50/65 0,5 - 16/25 135 275 6,7
1"- 80/100 0,5 - 16/25 135 280 8,5

All metal, rubber, and coatings used have been designed for contact with water for human consumption, pursuant to the terms of Italian Health Ministry
decree n° 174, dated 6/4/2004.

© RACI srl - ISO 9001 - Catalog Ed 10/2016 5.2 info@raci.it - www.raci.it - Tel. +39 02 262.351